Gemstone



FIG. 1 is an elevation of a gemstone showing my new design.

FIG. 2 is a top plan view of the gemstone of FIG. 1 showing my newdesign.

FIG. 3 is a bottom plan view of the gemstone of FIG. 1 showing my newdesign.

FIG. 4 is an elevation view of a gemstone showing a second embodiment ofmy new design;

FIG. 5 is a top plan view of the gemstone of FIG. 4; and,

FIG. 6 is a bottom plan view of the gemstone of FIG. 4.

The ornamental design for a gemstone, as shown and described.